An efficient formal total synthesis of (+)-gephyrotoxin is described. The key step of our strategy relies on the diastereoselective reduction of a chiral pyrrolidine beta-enamino ester obtained by condensation of (S)-phenylglycinol on a protected 8-hydroxy-3,6-dioxooctanoate.
机构:
Waseda Univ, Dept Chem & Biochem, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, JapanWaseda Univ, Dept Chem & Biochem, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
Asakawa, Kaori
Noguchi, Naoyoshi
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Waseda Univ, Dept Chem & Biochem, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, JapanWaseda Univ, Dept Chem & Biochem, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan
Noguchi, Naoyoshi
Nakada, Masahisa
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Waseda Univ, Dept Chem & Biochem, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, JapanWaseda Univ, Dept Chem & Biochem, Fac Sci & Engn, Shinjuku Ku, Tokyo 1698555, Japan